baber/WOPTO huggingface dataset:
Patent GB-1066181-A (GB)
Title: Treatment of hydrogels
IPC: B01J23/26
Filed: 1963-09-23
Abstract: An oxide hydrogel is treated with one of the following compounds: <FORM:1066181/C1/1> where R1 is H, Me, or Et; R2 is alkyl C1-C4;  R3 is alkylene C2 or C3; R4 is alkylene C1-C3; X i Cl, Br, 1, or CN; then dried at below 500 DEG  F. and calcined at above 500 DEG  F. Specified oxides are silica, alumina, thoria, zirconia, boria, titania, and mixtures, e.g. alumina-silica. The hydrogel may first be washed with water or dilute aqueous ammonium nitrate or chloride, and the slurry is then treated for 0.1-100 hrs. at 0-200 DEG  F., e.g. by agitating in a kettle, or by continuously treating in a bed with fresh or recycled treating agent.  2-50 parts of treating agent are used per part of hydrogel.  The treated gel may be oven-or heat lamp-dried, and calcined for 0.5-25 hrs. at 500-1500 DEG  F.  It may be impregnated with chromium oxide and used as a catalyst in the polymerization of a -olefines.  Silica gel is obtained from water glass by acidifying with H2SO4 (Examples 1-4) or HNO3 (Example 5) or by passing down an acid cation exchange resin and gelling by adding NH4OH, HCl, and water glass alternately (Example 6).ALSO:A catalyst for the polymerization of a -olefines at 100-450 DEG  F., e.g. in the presence of cyclohexane diluent, comprises an oxide hydrogel, e.g. SiO2, which has been treated with methanol, acetone, or isopropanol, and then dried, calcined, impregnated with CrO3, and activated. Other a -olefines referred to are propylene, 1-butene, 1 - pentene, 1 - hexene, 1 - heptene, 1-octene, 4-methyl-1-pentene, butadiene, and isoprene. Other oxides are Al2O3, ThO2, ZrO2, B2O3, TiO2 and mixtures, e.g. Al2O3-SiO2.ALSO:An oxide hydrogel for use as a catalyst in the polymerisation of a -olefins, is treated with one of the following compounds: CH3-CO-R1; R2-OH; R1-(OR3)n-OH; <FORM:1066181/B1-B2/1> (R1)-R4-OH; X-R3-OH; where R1 is H, Me, or Et; R2 is alkyl C1-C4; R3 is alkylene C2 or C3; R4 is alkylene C1-C3; X is Cl Br, I, or CN; then dried at below 500 DEG F, calcined at above 500 DEG F, impregnated with a catalytic compound, and activated. Specified oxides are silica, alumina, thoria, zirconia, boria, titania, and mixtures, e.g. alumina-silica.  The hydrogel may first be washed with water or dilute aqueous ammonium nitrate or chloride, and the slurry is then treated for 0.1-100 hrs at 0-200 DEG F, e.g. by agitating in a kettle, or by continuously treating in a bed with fresh or recycled treating agent.  2-50 parts of treating agent are used per part of hydrogel.  The treated gel may be oven-or heat lamp-dried, and calcined for 0.5-25 hrs. at 500-1500 DEG F.  It may be impregnated with chromium oxide, or an aqueous solution of a Cr compound, and activated at 500-1600 DEG F.
Patent GB-302608-A (GB)
Title: Improvements relating to two-stroke internal combustion engines with scavenging pumps
IPC: F02B33/00
Filed: 1928-12-17
Abstract: 302,608. Motorenfabrik Deutz Akt.- Ges. Dec. 17, 1927, [Convention date]. Two-stroke-cycle engines; piston pumps; driving-gear for pumps.-The whole of the air is delivered by a pump b, whose piston is driven off the main connecting-rod e by a bent rod d. The pump delivers air for the whole of the time during which the power cylinder admission port j is uncovered by the piston. The suction valves g and admission and delivery ducts are arranged in a detachable cover; the pump is arranged below the exhaust box, the space between being divided into an air admission passage l and pressure-air delivery passage b. The power piston controls delivery from the pump.
Patent GB-1254668-A (GB)
Title: Devices for mounting wall parts in building structures
Inventor: OLOF ERIC GUSTAF
IPC: E04B1/41
Filed: 1970-08-03
Abstract: 1,254,668. Drills. GUNNAR FREDRIKSON A.B. 3 Aug., 1970, No. 37324/70. Heading B3C. [Also in Division F2] An externally threaded rod 3 having a cutting edge 14 at one end is screwed into an internally threaded socket 2 cast in a structure 16 and is then turned from the side to cause the cutting edge to drill into a wall part 17. A nut 4 for turning the rod 3 has a plain bore with internal lugs (12) (Fig. 3, not shown) which engage in axial slots 11 in the rod. Alternatively the rod may be of square section with rounded, screwthreaded corners, the nut having a plain square bore. The rod 3 is preferably hollow to receive chips of drilled material.
Patent GB-958229-A (GB)
Title: Improvements in or relating to accelerometers
Inventor: SAWYER BRUCE ALDEN
IPC: G01P15/18
Filed: 1960-10-31
Abstract: 958,229. Measuring electrically. LITTON INDUSTRIES Inc. Oct.31, 1960, No. 37354/60. Heading G1N. In an accelerometer, suitable for inclusion in auto-navigational systems of aircraft and missiles, comprising a floating pendulum and torquing means including a magnet for applying a null-restoring torque to the pendulum, the centre of mass,the centre of buoyancy, and the pivot axis of the pendulum are so mutually displaced that variations of the magnetic field strength of the torquing means due to temperature changes are opposed by temperature-induced variations of the density of the flotation liquid. As shown, Figs. 1, 2, and accelerometer comprises a pendulum 15 rotatably mounted in jewelled bearings 17,19, in flotation fluid within a housing 11. Angular deflection of the pendulum due to an acceleration along the axis A-A produces an output from signal generators 21, 23, the pickoff coils 25 of which are mounted on the pendulum and co-operate with exciter coil assemblies 28 mounted in the housing. This output is amplified and rectified and fed to torquer coils 35 on the pendulum which co-operate with permanent magnets 33 mounted in the cover 13 of the housing to apply a restoring torque to the pendulum. The pendulum is preferably made of non-magnetic material and the housing of a magnetic material such as cold rolled steel. Each magnet 33 has a cap 57 of high permeability material at its inner end and a ring 61 of similar material, cap and ring defining a space to receive torquer coil 35. To shield the generators 21, 23 from the fields of magnets 33, discs 60 of high coercivity, magnetised so as to nullify the undesired effects of said fields, are positioned against caps 57. To avoid variations in the scale factor of the device due to changes in the field strength of magnets 33 with temperature,by utilising density-variations of the flotation fluid, the device is so designed that 1 2  = α/γ (l 1 + l 2 ); where l 1  is the distance between the centre of mass CM (Fig. 2) of the pendulum and the point of intersection of the axis A-A and the pivot axis on the line joining CM and the centre of buoyancy CB; l 2  is the distance between said point of intersection and CB; α is the coefficient of variation of restoring torque with temperature; y is the coefficient of volume expansion of the flotation fluid. Four trim screws 37 are provided in the pendulum for adjustment purposes. Each exciter coil assembly 28 includes a yoke in recessed portions at the ends of which are located U-shaped cores having coils 45, 47, and 49, 51, Fig. 4, wound on their legs. The exciter coils are connected in series to an A.C. source, and the output of pick-up coils 25 is passed via a demodulator-amplifier 55, which may comprise valves or, advantageously, transistors, to the torquer coils 35. A resistor may be inserted in the torquer coil circuit to provide an analogue output, or an analogue-to-digital converter may be used.
Patent GB-1005138-A (GB)
Title: Tape drive system for recording and playback apparatus
IPC: G11B27/032
Filed: 1963-09-23
Abstract: 1,005,138. Driving magnetic tapes. AMPEX CORPORATION. Sept. 23, 1963 [Oct. 12, 1962], No. 37365/63. Heading G5R. A tape drive system comprises a two-speed incremental drive system including a first drive unit for advancing the tape in incremental steps at a first rate, and a second drive unit for advancing the tape in steps corresponding to the length of a character at a second rate. Fig. 3 shows a drive system wherein a tape on which binary data are recorded is advanced bit by bit. A magnetostrictive rod 32 is kept in continuous oscillation and carries at one end a plate 34 normally disposed above the tape 13. When the tape is to be advanced, a second magnetostrictive rod 41 is caused to oscillate in timed relation to the first to cause plate 34 to be moved into contact with the tape and advance it by a distance corresponding to one bit. The second drive system, Fig. 5, comprises a continuously rotating capstan and an arm 53 movable by electromagnetic means (not shown) to cause a roller 56 or a brake 57 to engage the tape. The tape may comprise two complementary digital tracks and a sprocket track. When a sprocket mark is detected the second drive unit is energized to advance the tape one character at a speed of 5000 bits per second; at the end of a character the first drive unit is energized to advance the tape bit by bit at a speed of 50,000 bits per second until a further sprocket mark is detected. The tape reels (not shown) are each coupled to a fluid clutch and a dog clutch which can engage a continuously running motor. Engagement of one of the dog clutches gives a fast wind or re-wind, and engagement of both dog clutches tensions the tape for the incremental drive systems.
Patent GB-523105-A (GB)
Title: Improvements in or relating to closures for bottles, jars and the like containers
IPC: B65D45/32
Filed: 1938-12-23
Abstract: 523,105. Closures for containers. FORSTER'S GLASS CO., Ltd., and WOODBURN, A. W. Dec. 23, 1938, No. 37405. [Class 125 (iii)] Bottles or jars have a peripheral groove 4 round the neck and spaced from the top edge, and the depending flange of the cap 5 has pips or indents 7 which snick under the top edge 2a of the groove to hold the cap on. The part 3 of the neck below the groove is of greater diameter than the part 2 above it, and the closure is completed by the band 8 with a locking tongue 10. After the band has been removed, a re-seal may be effected by the cap alone. The groove 4 may be of the discontinuous type and axial grooves may be provided for the passage of the pips 7 ; after the passage onwards a slight turn secures the cap by the engagement of the pips in the grooves.
Patent GB-768393-A (GB)
Title: Improvements in and relating to reinforced rotative abrasive structures
IPC: B24D7/04
Filed: 1954-12-24
Abstract: 768,393. Flexible abrasives. MINNESOTA MINING & MANUFACTURING CO. Dec. 24, 1954 [Dec. 28, 1953], No. 37406/54. Drawings to Specification. Class 60 [Also in Group VIII] A flexible abrasive material is formed by coating kraft paper with a strippable layer of polythene and applying thereover a rubbery binder comprising a rubber butadieneacrylonitrile copolymer, a phenol-aldehyde resin, ester gum, zinc oxide, salicylic acid, and dibutyl phthalate; tackifying with solvent the dried binder layer; laying thereon yarns of untwisted glass filaments; applying more rubbery binder to give equal weights of binder and filaments in the reinforced layer so formed; and, after partial curing to the non-tacky state and prior to or after removing the paper backing, applying thereto a phenolic resin binder and an abrasive grit such as silicon carbide, alumina, or garnet, either by mixing the two components or applying the grit on a coating of the binder, or by spreading a dry mixture of binder and grit on the filamentreinforced layer and heating to fuse the binder.
Patent GB-951628-A (GB)
Title: Improvements in or relating to the manufacture of methyl 4-p-aminophenylbutyrate
Filed: 1960-10-31
Abstract: Methyl 4-p-aminophenylbutyrate is prepared by hydrogenating, in a methanolic solution containing a substantial amount of a strong acid and in the presence of a hydrogenation catalyst, a 4-p(lower acylamido)-phenyl-5-oxo-butyric acid or a 4-p-(lower acylamido)phenyl-4-oxobut-2-enoic acid. Examples are given. 4-p-(Acetamidophenyl) -4- oxo - but -2- enoic acid is prepared from acetanilide and maleic acid.
Patent GB-1198340-A (GB)
Title: Isothiazole Derivative and Herbicidal Compositions containing it
Inventor: VOLPP GERT PAUL
IPC: C07D275/03
Filed: 1968-08-06
Abstract: 1,198,340. Herbicides containing dimethyl isothiazolyl urea. F.M.C. CORP. 6 Aug., 1968 [9 Aug., 1967], No. 37475/68. Heading ASE. [Also in Division C2] Herbicidal compositions contain as the active ingredient 1,1-dimethyl-3- (isothiazol-5-) urea together with diluents or carriers. Soil may also be sterilised by applying to it an effective amount of the above novel compound.
Patent GB-867120-A (GB)
Title: Improvements in or relating to window balancing devices for automotive vehicles
IPC: B60J1/17
Filed: 1958-11-21
Abstract: 867,120. Vehicle windows. REGIE NATIONALE DES USINES RENAULT. Nov. 21, 1958 [Dec. 10, 1957], No. 37555/58. Class 20(3) In a balancing device for a vehicle window comprising two arms 2, 5 pivotally connected to each other at 9 and to the window pane support and door structure respectively at 3, 7, a tension spring 10 is secured at one end to the arm 5 and provided at its other end with a flexible extension 11 attached to the arm 2. The extension 11 engages in the grooved edge of a cam 12 on the arm 2, the cam being so shaped that the upward force exerted on the glass pane remains constant irrespective of change in the spring tension during movement of the pane.
Patent GB-762163-A (GB)
Title: Improvements in or relating to magnetic separators
IPC: B03C1/00
Filed: 1954-12-30
Abstract: 762,163. Magnetic separators. PHILIPS ELECTRICAL INDUSTRIES, Ltd. Dec. 30, 1954 [Dec. 31, 1953], No. 37659/54. Class 117 A magnetic separator for a contaminated medium, e.g. oil, comprises a cylindrical permanent magnet 1 provided with pole plates 3, 4 and situated externally of a housing 6, 7, 8, 9 through which the medium passes, the parts 6, 9 being of non- magnetic material while parts 7, 8, and plates. 3, 4 are of high permeability material. Pole members 13 made of corrugated strip material, e.g. soft iron, are secured to a non-magnetic cylindrical member 17 located between soft iron annular pole plates 14, 15, the latter plate being mounted on a rotatable member 11. When the ferromagnetic particles are to be cleared from air-gaps 16 between the pole members 13, the medium remaining in the separator is drained away via an outlet 20. The magnet 1 is then raised clear of the housing so that the particles are readily removed by means of a cleaning medium, e.g. water, supplied via one or more tubes 23, Fig. 2. Jets of the medium thus issue from one or more apertures 24 and strike the pole members 13 which are caused to rotate while the air-gaps 16 are cleaned by jets from aperture(s) 25. A plug 22 may be replaced by a valve which is automatically closed by a float when the housing is filled. Instead of removing the magnet to release the particles, its poles may be short-circuited.
Patent GB-1027966-A (GB)
Title: Analgesic and antipyretic compositions comprising trifluoromethyl anilides
IPC: A61K31/165
Filed: 1964-09-15
Abstract: Compounds having the formula -<FORM:1027966/C2/1> wherein R1 is hydrogen or C1- 4 alkyl, R2 is C1- 4 alkyl, C2- 4 alkenyl or alkynyl, or C3- 6 cycloalkyl are prepared by acylating a m-trifluoromethylaniline or N-C1- 4 alkyl-m-trifluoromethylaniline with the appropriate carboxylic acid, acid chloride or acid anhydride.ALSO:A pharmaceutical composition having analgesic and antipynetic activity comprises <FORM:1027966/A5-A6/1> wherein R1 is hydrogen or C1-4 alkyl, and R2 is C1-4 alkyl, C2-4 alkenyl or alkynyl, or C3-6 cycloalkyl, and a carrier in dosage unit form. Specified active ingredients are m-trifluoromethyl acetanilide, N-methyl-m-trifluoromethylacetanilide, m-trifluoromethylcrotonanilide, and n-trifluoromethylcyclohexane-carboxyanilide.  The carrier may be a conventional solid or liquid carrier.  The compositions may be administered in the form of tablets or capsules.
Patent GB-1221365-A (GB)
Title: Improvements in wrapping machinery
Inventor: WILSON PETER GORDON
IPC: B65B9/06
Filed: 1968-08-07
Abstract: 1,221,365. Wrapping machines. ROSE FORGROVE Ltd. 22 July, 1969 [7 Aug., 1968], No. 37722/68. Heading B8C. A wrapping machine comprises a pair of opposed belts 15 drawing a length of aluminium foil 10 over a tube former 11, a chain feed 14 introducing bars of chocolate 13 into the tube as it is formed, and a continuously travelling chain 17 having pairs of section bars 16 for supporting the enclosed bars of chocolate, the tube being severed between adjacent chocolatebars by the blades 18 of a rotary cutter 19 coacting with rotary anvils 20 and the severed ends of the foil being folded in a direction transverse of the tube by a folder 21. The folder 21 is given rotary movement by eccentrics 22. Alternatively the folder 21 may be situated below the chain 17.
Patent GB-1367722-A (GB)
Title: Trailing edge forming pockets for helicopter rotor blades
IPC: B64C27/46
Filed: 1972-08-14
Abstract: 1367722 Helicopter rotor blade UNITED AIRCRAFT CORP 14 Aug 1972 [6 Oct 1971] 37758/72 Heading B7W A pocket member 14, for use in the trailing edge of a helicopter rotor blade, includes top and bottom skins 30, 32 defining a chamber 34 of triangular cross-section, and at least two tapered support-members 36, wherein one support member is secured directly to the top skin only and another directly to the bottom skin only. The skins, which are formed from a single piece of material, extend forwardly of the support members to provide surfaces 44, 46 for bonding to a spar 12. The pocket members 14 are identical, to facilitate replacement, the size being suitable for attachment to the thinner, outer end of the spar, those sides of a support member 36 not already bonded to the adjacent skin being bonded prior to mounting; for mounting at a thicker part of the spar a shim member 54 is bonded between a support member and the skin. A seal (62), Fig. 4 (not shown), consisting of a wedge-shaped block of rubber or other flexible material, with a cut-out (72) to give greater flexibility, is installed between adjacent pocket members.
Patent GB-1003438-A (GB)
Title: Egg carton and like containers
IPC: D21J7/00
Filed: 1963-09-26
Abstract: 1,003,438. Egg cartons. KEYES FIBRE CO. Sept. 26, 1963 [June 5, 1963], No. 37900/63. Heading B8P. An egg carton or like container having at least one inwardly extending and upwardly tapering indentation in one of its side walls has tab receiving and retaining means 31 on opposite sides of each indentation, and tab extensions 19 formed as shown on the cover 7 of the carton and equal in number to the number of indentations. The carton is closed by placing the ears 23 of each tab against the corresponding retaining means 31 and pressing the tab until it snaps into position behind the retaining means. If desired the indentations may include shoulder formations 29 and the tab receiving means may comprise two slots extending through the wall of the carton into which a tab may be inserted. The cover 7 of the carton is generally hinged to one side thereof so that the other side only is closed by the tab extensions. However both sides may be closed by the tab extensions and the cover may be perforated along the edges 11 and 27 so that the top can be torn off. A viewing window may also be provided in the cover member and the tab extensions may be reinforced with a plastics coating.
Patent GB-380219-A (GB)
Abstract: 380,219. Current and pressure meters. VALDEZ, A. H. F. T., Quinta de S. Antonio, Galamares, Cintra. Portugal. Aug. 6,1931, No. 22307. [Class 37.] The magnet system of a moving-coil instrument is so constructed as to provide two air gaps which are magnetically in parallel and in which the oppositely moving parts of the centrally pivoted coil are arranged to swing. Each of the opposed poles g, h. is gapped ori one side so as to provide noses i, j and shoulders k, l which coact to produce two air gaps concentric with the axis b of the coil a.
Patent GB-1007106-A (GB)
Title: Improvements in or relating to sliding clamps
IPC: H01B13/02
Filed: 1964-09-17
Abstract: 1,007,106. Work-holders. WILTON CORPORATION. Sept. 17, 1964 [Dec. 2, 1963], No. 38047/64. Headings B3B and B3Q. A clamping device, for use in drilling or stamping, comprises a work-gripping member 50 mounted on a body containing movable members for moving the gripping member vertically and horizontally. The movable members are fluid-operated pistons which, when actuated, respectively swing links 46 to carry the dog 50 over a workpiece 12 and move the dog angularly against a torsion spring to clamp the dog against the work.
Patent GB-1127562-A (GB)
Title: Drive mechanism for roll duplicators
IPC: F16H9/14
Filed: 1966-08-24
Abstract: 1,127,562. Expanding-wheel gear. DIDDEGLASER Inc. 24 Aug., 1966 [7 Sept., 1965], No. 38064/66. Heading F2D. Variable-ratio belt gearing comprises a variable diameter pulley 30 on a motor shaft 32 and a fixed diameter output pulley 36 carried by an arm 42 pivotally mounted on a shaft 48. The position of the arm 42 is adjusted by a reversible electric motor 86 which drives a screw 62 engaging in a nut 64 which is pivotally mounted on the arm 42. Forward and reverse actuation of the motor 86 is controlled by switches 94, 96 on arms 90, 92 which are freely pivotable about the shaft 48 and biased by a spring 104 to engage stops 100 to open the switches. The stops 100 are mounted on an extension of the arm 42. Operation of the motor is controlled by a lever 120 which rocks a plate 106 carrying a projection 108 which engages a selected arm 90 or 92 and lifts it clear of its stop 100 to close the switch 94 or 96 so that the motor 86 is actuated and moves the arm 42 until the stop 100 again opens the switch.
Patent GB-1457125-A (GB)
Title: Means for driving and sinking piles
IPC: E02D5/52
Filed: 1973-08-10
Abstract: 1457125 Piles DOO KWOK CHUEN 10 April 1974 [10 Aug 1973] 38116/73 Heading E1H A pile is formed by driving a number of hollow co-axial units 1 arranged end to end about an inner tube 2 closed at its upper end and having an outside diameter slightly less than the inner diameter of the units. During pile driving the tube makes a cushioning movement during which displaced material of penetrated ground crushed by the tube and loosened by contained liquid passes into the tube through its open lower end and compresses air trapped in the tube. After the tube and the contained soil are removed the hollow interior of the units is filled with concrete.
Patent GB-1485960-A (GB)
Title: Mining equipment
IPC: E21C29/02
Filed: 1975-09-03
Abstract: 1485960 Mining equipment; rack railways PITCRAFT Ltd 3 Sept 1975 [3 Sept 1974] 38369/74 Headings E1F and E1G A rack bar 1, which is adapted for attachment to a pan section of a scraper chain conveyor, is formed a series of regularly spaced pockets 10, each pocket 10 being open at both ends and a series of holes 14 with each hole 14 communicating with an associated pocket so that in use of the rack bar with pegs 11 reciprocably located in and projecting from the pockets, movement of the pegs within the pockets is constrained or braked by plugs 15 located in each hole 14 so as to engage the periphery of the associated peg. Preferably the pegs and the pockets are cylindrical and the plugs are of polyurethane, neoprene, rubber or rubber compound or nylon. Specifications 1403821 and 1352543 are referred to.
Patent GB-1169646-A (GB)
Title: Improvements in or relating to Surf Boards
Inventor: GLOVER GUY ALAN
IPC: B63H16/20
Filed: 1967-08-23
Abstract: 1,169,646. Swimming appliances. G. A. GLOVER. 16 Aug., 1968 [23 Aug., 1967], No. 38751/67. Heading A6D. A surfboard comprises a separately moulded and bonded hull, 1, and deck, 2, the hull having a broad portion, 3, for supporting a rider in a prostrate position and having two rearwardly projecting fingers, 4 and 5, for supporting a slidable deck, 6, which carries two vertical plates 14, 15 supporting a rudder 16 and a propulsion unit, 17, which comprises submerged pedals, 22, beneath the deck for driving a propellor, 23, through a gear-box, 24. The rudder, 16, is controlled from handles, 18, near the hand grips, 8, by nylon lines, 19, passing through tubes, 20, bonded to the hull. A vertical observation window, 9, is provided in the hull.